12256656353333 has 16 divisors (see below), whose sum is σ = 14205126666240. Its totient is φ = 10357570666800.

The previous prime is 12256656353281. The next prime is 12256656353353. The reversal of 12256656353333 is 33335365665221.

It is a de Polignac number, because none of the positive numbers 2^k-12256656353333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12256656353353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38018528 + ... + 38339558.

It is an arithmetic number, because the mean of its divisors is an integer number (887820416640).

Almost surely, 2^{12256656353333} is an apocalyptic number.

It is an amenable number.

12256656353333 is a deficient number, since it is larger than the sum of its proper divisors (1948470312907).

12256656353333 is an equidigital number, since it uses as much as digits as its factorization.

12256656353333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397928.

The product of its digits is 26244000, while the sum is 53.

The spelling of 12256656353333 in words is "twelve trillion, two hundred fifty-six billion, six hundred fifty-six million, three hundred fifty-three thousand, three hundred thirty-three".